This page explains how Thy Nham (USATT# 80883)'s rating went from 1556 to 1561 at the The Top Spin Saturday League event from 8 Oct 2011. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.